Ammerhai/Mikemon
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move game settings into their own file

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This commit is contained in:
Sven Balzer 2026-05-01 18:13:05 +02:00
parent 91a4a2079b
commit 7fa5294e02
1 changed files with 103 additions and 31 deletions
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134
src/main.cpp
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@ -22,6 +22,9 @@
using namespace glm;
#define ORG ("ammerhai")
#define APP ("mikemon")
#define ASSETS_PATH "./assets/"
#define NEAR_PLANE (0.01f)
@ -109,7 +112,6 @@ static bool show_demo_window;
static bool show_tile_picker;
static bool show_settings;
#define log_error(...) SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
float remap(float in_a, float in_b, float out_a, float out_b, float v) {
@ -2413,6 +2415,89 @@ static void render(WGPUTexture surface_texture) {
wgpuTextureViewRelease(surface_texture_view);
}
void save_settings() {
SDL_Storage *user_storage = SDL_OpenUserStorage(ORG, APP, 0);
if (!user_storage) return;
defer(SDL_CloseStorage(user_storage));
SDL_IOStream *io = SDL_IOFromDynamicMem();
SDL_IOprintf(io, "[Audio]\n");
SDL_IOprintf(io, "Master=%.0f\n", volume_master);
SDL_IOprintf(io, "Music=%.0f\n", volume_music);
SDL_IOprintf(io, "SFX=%.0f\n", volume_sfx);
SDL_PropertiesID properties = SDL_GetIOProperties(io);
void *data = SDL_GetPointerProperty(properties, SDL_PROP_IOSTREAM_DYNAMIC_MEMORY_POINTER, NULL);
Sint64 size = SDL_GetIOSize(io);
SDL_WriteStorageFile(user_storage, "settings.ini", data, size);
SDL_CloseIO(io);
}
void load_settings() {
SDL_Storage *user_storage = SDL_OpenUserStorage(ORG, APP, 0);
if (!user_storage) return;
defer(SDL_CloseStorage(user_storage));
Uint64 file_size = 0;
if (SDL_GetStorageFileSize(user_storage, "settings.ini", &file_size)) {
char *file_data = (char *)SDL_calloc(1, file_size + 1);
defer(SDL_free(file_data));
if (!SDL_ReadStorageFile(user_storage, "settings.ini", file_data, file_size))
return;
Settings_Category current_category = SETTINGS_UNKNOWN;
char *line_end = NULL;
for (char *line = file_data; line < file_data + file_size; line = line_end + 1) {
while (line[0] == '\n' || line[0] == '\r') line++;
line_end = line;
while(line_end < file_data + file_size && line_end[0] != '\n' && line_end[0] != '\r') line_end++;
line_end[0] = 0;
if (line[0] == '[' && line_end > line && line_end[-1] == ']') {
line_end[-1] = 0;
const char *category_name = line + 1;
if (SDL_strcasecmp(category_name, "AUDIO") == 0) {
current_category = SETTINGS_AUDIO;
} else {
SDL_Log("Unknown category '%s' in settings.ini.", category_name);
}
} else {
switch (current_category) {
case SETTINGS_UNKNOWN: {
SDL_Log("Unknown value '%s' outside of any category in settings.ini.", line);
} break;
case SETTINGS_AUDIO: {
if (SDL_strncasecmp(line, "Master", sizeof("Master") - 1) == 0) {
line = line + sizeof("Master") - 1;
SDL_sscanf(line, "=%f", &volume_master);
} else if (SDL_strncasecmp(line, "Music", sizeof("Music") - 1) == 0) {
line = line + sizeof("Music") - 1;
SDL_sscanf(line, "=%f", &volume_music);
} else if (SDL_strncasecmp(line, "SFX", sizeof("SFX") - 1) == 0) {
line = line + sizeof("SFX") - 1;
SDL_sscanf(line, "=%f", &volume_sfx);
} else {
SDL_Log("Unknown value '%s' in category 'AUDIO' in settings.ini.", line);
}
} break;
}
}
}
MIX_SetMixerGain(mixer, volume_master / 100.0f);
MIX_SetTrackGain(music_track, volume_music / 100.0f);
MIX_SetTrackGain(sfx_track, volume_sfx / 100.0f);
} else {
SDL_Log("No settings found. Using default values.");
}
}
int main(int argc, char **argv) {
setup_memory_functions();
setup_working_directory();
@ -2467,6 +2552,9 @@ int main(int argc, char **argv) {
if (!music_setting_off_piano) {
log_error("Failed to load music setting_off_piano.opus. Ignoring.");
}
load_settings();
save_settings();
IMGUI_CHECKVERSION();
ImGuiContext *imgui_context = ImGui::CreateContext();
@ -2475,6 +2563,18 @@ int main(int argc, char **argv) {
io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;
io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
char *storage_path = SDL_GetPrefPath(ORG, APP);
size_t imgui_ini_path_len = SDL_strlen(storage_path) + SDL_strlen("imgui.ini") + 1;
char *imgui_ini_path = (char *)SDL_calloc(imgui_ini_path_len, 1);
SDL_strlcat(imgui_ini_path, storage_path, imgui_ini_path_len);
SDL_strlcat(imgui_ini_path, "imgui.ini", imgui_ini_path_len);
SDL_free(storage_path);
io.IniFilename = imgui_ini_path;
io.Fonts->AddFontDefaultVector();
ImGui::StyleColorsDark();
@ -2530,36 +2630,6 @@ int main(int argc, char **argv) {
};
ImGui::AddSettingsHandler(&time_tints_settings_handler);
ImGuiSettingsHandler settings_handler = {};
settings_handler.TypeName = "Settings";
settings_handler.TypeHash = ImHashStr("Settings");
settings_handler.ReadOpenFn = [](ImGuiContext *context, ImGuiSettingsHandler *handler, const char *name) -> void * {
if (strcmp(name, "Audio") == 0)
return (void *)SETTINGS_AUDIO;
return (void *)SETTINGS_UNKNOWN;
};
settings_handler.ReadLineFn = [](ImGuiContext *context, ImGuiSettingsHandler *handler, void *entry, const char *line) {
if (entry == (void *)SETTINGS_AUDIO) {
if (SDL_sscanf(line, "Master=%f", &volume_master) == 1) {
MIX_SetMixerGain(mixer, volume_master / 100.0f);
}
if (SDL_sscanf(line, "Music=%f", &volume_music) == 1)
MIX_SetTrackGain(music_track, volume_music / 100.0f);
if (SDL_sscanf(line, "SFX=%f", &volume_sfx) == 1)
MIX_SetTrackGain(sfx_track, volume_sfx / 100.0f);
return;
}
};
settings_handler.WriteAllFn = [](ImGuiContext *context, ImGuiSettingsHandler *handler, ImGuiTextBuffer *buffer) {
buffer->append("[Settings][Audio]\n");
buffer->appendf("Master=%.0f\n", volume_master);
buffer->appendf("Music=%.0f\n", volume_music);
buffer->appendf("SFX=%.0f\n", volume_sfx);
buffer->append("\n");
};
ImGui::AddSettingsHandler(&settings_handler);
SDL_GetWindowSizeInPixels(window, &window_size.x, &window_size.y);
while (Running) {
@ -2600,6 +2670,8 @@ int main(int argc, char **argv) {
FrameMark;
}
save_settings();
ImGui_ImplWGPU_Shutdown();
ImGui_ImplSDL3_Shutdown();
ImGui::DestroyContext();